Home / 19,165,020.40-28,747,530.60-17,779,337.20

Finding the Fourth Proportional to 19,165,020.40, 28,747,530.60 and 17,779,337.20

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Solution

The fourth proportional to 19,165,020.40, 28,747,530.60 and 17,779,337.20 is: 26,669,005.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,165,020.40 : 28,747,530.60 = 17,779,337.20 : x
  2. Step 2: Convert to fraction form
    19,165,020.40/28,747,530.60 = 17,779,337.20/x
  3. Step 3: Cross multiply
    19,165,020.40x = 28,747,530.60 × 17,779,337.20
  4. Step 4: Simplify right side
    19,165,020.40x = 511,112,040,204,718.31
  5. Step 5: Solve for x
    x = 511,112,040,204,718.31/19,165,020.40
  6. Step 6: Final answer
    x = 26,669,005.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.